Home / 25,584.11-38,305.30-13,077.20

Finding the Fourth Proportional to 25,584.11, 38,305.30 and 13,077.20

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Solution

The fourth proportional to 25,584.11, 38,305.30 and 13,077.20 is: 19,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.11 : 38,305.30 = 13,077.20 : x
  2. Step 2: Convert to fraction form
    25,584.11/38,305.30 = 13,077.20/x
  3. Step 3: Cross multiply
    25,584.11x = 38,305.30 × 13,077.20
  4. Step 4: Simplify right side
    25,584.11x = 500,925,812.25
  5. Step 5: Solve for x
    x = 500,925,812.25/25,584.11
  6. Step 6: Final answer
    x = 19,579.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.